Create a function -- OpenLayers.Util.getElement -- which replaces "$". This

should be used in all library code. This patch replaces all uses of "$()" in
existing code. The primary reason for this is to avoid conflicts with libraries
(like Prototype) which might redefine this function differently.


git-svn-id: http://svn.openlayers.org/trunk/openlayers@2541 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

examples/layer-opacity.html

@@ -40,10 +40,10 @@
         var maxOpacity = 0.9;
         var minOpacity = 0.1;
         function changeOpacity(byOpacity) {
-            var newOpacity = (parseFloat($('opacity').value) + byOpacity).toFixed(1);
+            var newOpacity = (parseFloat(OpenLayers.Util.getElement('opacity').value) + byOpacity).toFixed(1);
             newOpacity = Math.min(maxOpacity,
                                   Math.max(minOpacity, newOpacity));
-            $('opacity').value = newOpacity;
+            OpenLayers.Util.getElement('opacity').value = newOpacity;
             shade.setOpacity(newOpacity);
         }
         function init(){